A pulse oximetry monitoring system at Dartmouth-Hitchcock Medical Center, Lebanon, N.H., has greatly reduced the need for rapid response teams for post-surgical patients suffering from adverse events.

The round-the-clock system tracks blood oxygen saturation levels and heart rate, and automatically alerts the nurse via pager when preset thresholds are met. To reduce alarm fatigue, the thresholds are set to identify situations that require intervention based on patient need, and the pager notification is activated only after the threshold has been met for more than 30 seconds.

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